Official response: https://blog.jetbrains.com/blog/2021/11/29/welcome-to-fleet/#remark42__comment-ac6e4928-dd81-4d93-895a-ece157a8e7f4 https://blog.jetbrains.co

Official response: https://blog.jetbrains.com/blog/2021/11/29/welcome-to-fleet/#remark42__comment-ac6e4928-dd81-4d93-895a-ece157a8e7f4 https://blog.jetbrains.com/blog/2021/11/29/welcome-to-fleet/... It’s written in Kotlin mainly, a little bit of Rust for native parts, Skiko (Skija + AWT) The UI framework is similar to Compose, but we started when Jetpack Compose wasn’t there :)